Which obstacle prevents quantum computers from stable operation longer?

💡 Explanation

Quantum computers suffer errors because interactions with the environment lead to quantum decoherence; therefore, maintaining long-term stable entanglement is crucial, rather than limitations from gate fidelity reduction or overhead from protocols.

• Which consequence results when rapid decompression exceeds metallic glass transition?
• Which mechanism causes perfect conductivity in a superconducting quantum interference device?
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• Which outcome results when thermal energy reduces a semiconductor's bandgap?
• Which outcome results when a high voltage is applied across a poorly conductive ionic solution?